One cup coffee filter



FIG. 1 is an oblique view of the one cup coffee filter;

FIG. 2 is a right side view of the one cup coffee filter;

FIG. 3 is a left side view of the one cup coffee filter;

FIG. 4 is a front view of the one cup coffee filter;

FIG. 5 is a back side view of the one cup coffee filter;

FIG. 6 is a top view of the one cup coffee filter; and,

FIG. 7 is a bottom view of the one cup coffee filter. 

The ornamental design for a one cup coffee filter, as shown and described. 